MATHEMATICS MIDDLE SCHOOL

What's different with census and sample?

Answers

Answer 1
Answer: A census is a study of every unit, everyone or everything, in a population. It is known as a complete enumeration, which means a complete count. A sample is a subset of units in a population, selected to represent all units in a population of interest.
Answer 2
Answer: I know when you do a census, you cover the entire population but when you take a sample, you select a group from the population. There can be only one census but there can be many different samples from the same population. Hence, the latter results in sampling error (because it is just one aspect of the population)

Hope this helps have a nice day

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What are the solutions to the equation x² = 169? Choose all answers that are correct
I need to know what the sum of 347.89 + 23.52!!!

A blueprint for a house shows the height of the house to be inches. The actual house is feet tall. What is the unit rate in feet per inch?

Answers

Answer:

6 22/39

Step-by-step explanation:

How do you find the mean absolute deviation

Answers

Answer:

In order to find MAD follow the following steps

Step-by-step explanation:

The following rules may be followed to find MAD

  • Start by finding the mean of the data set.
  • Find the sum of the data values, and then divide the sum by the number of data values.
  • After that find the absolute value of the difference between each data value and the mean.
  • Calculate the sum of the absolute values of the differences.
  • Finally divide the sum of the absolute values of the differences by the number of data values.

Answer:

A measure used to find how much the values in a data set vary from their mean is called as the mean absolute deviation. It is also termed as mean deviation or average absolute deviation. It can be calculated by finding the mean of the values first and then find the difference between each value and the mean

Step-by-step explanation:

The product of 16 and 4 less than a number is 208. Find the number

Answers

16(x-4)=208
x-4=13
x=17
Hope that helps!

A single tree produces about 2.6 × 10² lb of oxygen each year. The Amazon rainforest has about 3.9×1011 trees. About how many pounds of oxygen are produced in the rainforest each day ?
Enter your answer in the box. 2.8 × 10 ? lb

Answers

Answer:

I want points plzzzzzz

Step-by-step explanation:

The answer is 260 because 10 to the second power is 100. Multiply that by 2.6 and you get 260. :) hope this helped

What is 52056 divided by 783

Answers

just write 66.48 use a calculator if needed
It is a large decimal that I'm pretty sure isn't the answer you want but its the correct answer: 66.482758621....

About 1/7 of an iceberg’s total weight is above water. If an iceberg weighs 42 tons, how many tons are above water?PLEASE RESPOND I NEED THIS ASAP

Answers

Answer:

6 tons

Step-by-step explanation:

we need to find what 1/7th of 42 is

so

42/7=6

so 6 tons are above water

hope this helps!
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